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KVM: VMX: Update vmcs.GUEST_CR3 only when the guest CR3 is dirty
authorLai Jiangshan <laijs@linux.alibaba.com>
Mon, 8 Nov 2021 12:44:03 +0000 (20:44 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 8 Dec 2021 09:25:02 +0000 (04:25 -0500)
commit55ee98b795f3c8ea70d1ac2e5802147f68064545
tree53e4e51e3bc25b37497fc5697efe9e58591700c0tree | snapshot
parent599258f8e44f46c12d4914f4d4c1fb4b3c334dc0commit | diff
KVM: VMX: Update vmcs.GUEST_CR3 only when the guest CR3 is dirty

When vcpu->arch.cr3 is changed, it is marked dirty, so vmcs.GUEST_CR3
can be updated only when kvm_register_is_dirty(vcpu, VCPU_EXREG_CR3).

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Message-Id: <20211108124407.12187-12-jiangshanlai@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/vmx/vmx.c diff | blob | history
Linux Kernel Source Tree.